Open-Source C.A.S. Vulkan Layer - Similar to Radeon Image Sharpening But For Any GPU
Written by Michael Larabel in Vulkan on 20 October 2019 at 12:19 PM EDT. 13 Comments
VULKAN --
AMD's Radeon Image Sharpening feature is designed to improve image quality with minimal performance costs. However, it is only supported by Radeon Polaris / Vega / Navi graphics cards and only under Microsoft Windows 10. An independent open-source project has implemented contrast adaptive sharpening support for Vulkan that is similar to Radeon Image Sharpening but will work for any Vulkan-enabled GPU -- including NVIDIA GPUs.

vkBasalt is this new open-source project that provides contrast adaptive sharpening for any Vulkan game with its implementation being a Vulkan post-processing layer. With being implemented as a Vulkan layer, it's effectively GPU/driver-independent and in this case once installed can be loaded with the ENABLE_VKBASALT / ENABLE_VKBASALT32 environment variables.

This Vulkan layer is based upon AMD's open-source Contrast Adaptive Sharpening FidelityFX code.


This vkBasalt layer for those interested in experimenting with it can find it over on GitHub.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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